github.com/freetocompute/snapd@v0.0.0-20210618182524-2fb355d72fd9/testutil/filepresencechecker_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2015-2018 Canonical Ltd 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 3 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 package testutil_test 21 22 import ( 23 "fmt" 24 "io/ioutil" 25 "path/filepath" 26 27 "gopkg.in/check.v1" 28 29 . "github.com/snapcore/snapd/testutil" 30 ) 31 32 type filePresenceCheckerSuite struct{} 33 34 var _ = check.Suite(&filePresenceCheckerSuite{}) 35 36 func (*filePresenceCheckerSuite) TestFilePresent(c *check.C) { 37 d := c.MkDir() 38 filename := filepath.Join(d, "foo") 39 testInfo(c, FilePresent, "FilePresent", []string{"filename"}) 40 testCheck(c, FilePresent, false, `filename must be a string`, 42) 41 testCheck(c, FilePresent, false, fmt.Sprintf(`file %q is absent but should exist`, filename), filename) 42 c.Assert(ioutil.WriteFile(filename, nil, 0644), check.IsNil) 43 testCheck(c, FilePresent, true, "", filename) 44 } 45 46 func (*filePresenceCheckerSuite) TestFileAbsent(c *check.C) { 47 d := c.MkDir() 48 filename := filepath.Join(d, "foo") 49 testInfo(c, FileAbsent, "FileAbsent", []string{"filename"}) 50 testCheck(c, FileAbsent, false, `filename must be a string`, 42) 51 testCheck(c, FileAbsent, true, "", filename) 52 c.Assert(ioutil.WriteFile(filename, nil, 0644), check.IsNil) 53 testCheck(c, FileAbsent, false, fmt.Sprintf(`file %q is present but should not exist`, filename), filename) 54 }